4-Hi Reversing Coil Rolling Mill

TECHNICAL DATA
- Maker SMS
- year 1976 revamped in 1988-89
Material specification
- Material type Aluminium 3004, 5052, 5082, 5182
- Strip width 600 - 1,575 mm
- Entry strip thickness 1 - 4 mm
1 - 6 mm (only for 3004)
- Exit strip thickness 0.2 - 1 mm
- Coil Dimensions
- Entry section - without core - inner dia. 610 mm
- outer dia. 1,850 mm
- Exit section - without core - inner dia. 409 mm
- outer dia. 1850 mm
- Exit section - with core - inner dia. 440 mm
- outer dia. 1850 mm
- Coil weight 10,500 kg
Rolling mill
- Roll pressure1,600 Mp
- Stand modulus 500 Mp/mm
- Roll drive twin
- Drive rating each back-up roll: 1,870 kW
- Total drive rating 3,740 mm
- Rolling speed 920 m/min
- Roll barrel length 1,550 mm
- Back-up roll dia. 1,320 / 1,170 mm
- Work roll dia. 225 / 160 mm
- Intermediate roll dia. 180 / 160 mm
- Back-up roller dia. 340 / 330 mm
Coiler strip tensions
- With one motor 0.325 - 3.25 Mpa
- With two motors 0.650 - 6.50 Mpa
Pay-off reel strip tensions 0.600 - 4.000 Mpa
Entry speed (first pass) 0 - 300 m/min
Threading speed 15 m/min
Rewinding line
- Rewinding speed 0 - 610 m/min
- Pay-off reel drive 0 - 110 kW
- Coiler drive 0 - 270 kW
- Strip tensions
- Pay-off 0.220 - 2.200 Mpa
- Coiler 0.270 - 2.700 Mpa
The rolling mill is stopped but still installed